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Finding the Fourth Proportional to 174.46, 240.61 and 132.55

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Solution

The fourth proportional to 174.46, 240.61 and 132.55 is: 182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.46 : 240.61 = 132.55 : x
  2. Step 2: Convert to fraction form
    174.46/240.61 = 132.55/x
  3. Step 3: Cross multiply
    174.46x = 240.61 × 132.55
  4. Step 4: Simplify right side
    174.46x = 31,892.86
  5. Step 5: Solve for x
    x = 31,892.86/174.46
  6. Step 6: Final answer
    x = 182.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.